Merge branch 'maint' into maint_1.8

Conflicts:
	src/version.h
- Fixed: ACS function pointer instructions were not updated when library tag size changed.
- Fixed: undefined sequence compiler warning.
Merge branch 'maint'
- fixed: negative extra light levels should not be treated like inverse flashes, that's only the case for INT_MIN.
Merge branch 'maint_1.8'
- Fix c++11 literal suffix warnings / patch by Edward-san.
- added NeuralStunner's player.userange submission, but changed it to use the value directly from the PlayerPawn data.
- bumped savegame version for addition of APlayerPawn::userange.
- added NORANDOMPUFFZ flag for LineAttack - by Blue Shadow.
Merge branch 'maint' of https://github.com/rheit/zdoom into maint
Merge branch 'maint'
Merge branch 'master' of https://github.com/rheit/zdoom
- removed player_t destructor call in CopyPlayer.
- fixed: The global variables holding the view's fixed colormap must be preserved when rendering to a camera texture.
Merge branch 'maint'
Merge branch 'master' of https://github.com/rheit/zdoom
- TransferStencilColor A_SpawnItemEx patch / by Ryan Cordell.
Merge branch 'maint'
- fixed: Speaker names in dialogues were not able to use the string table.
+ things as sprites on map, controlled with am_showthingsprites CVAR

drawing of sprites instead of things/players markers with am_cheat >= 2
possible am_showthingsprites values are:
0 - sprites disabled
1 - static front sprites
2 - animated front sprites
3 - animated sprites with actual things angles
Merge branch 'maint'